collaborators

5 papers

cs.CL2026

DRBench: A Realistic Benchmark for Enterprise Deep Research

Amirhossein Abaskohi, Tianyi Chen, Miguel Muñoz-Mármol +11

We introduce DRBench, a benchmark for evaluating AI agents on complex, open-ended deep research tasks in enterprise settings. Unlike prior benchmarks that focus on simple questions…

cs.CV2026

Why 1 + 1 < 1 in Visual Token Pruning: Beyond Naive Integration via Multi-Objective Balanced Covering

Yangfu Li, Hongjian Zhan, Tianyi Chen +2

Existing visual token pruning methods target prompt alignment and visual preservation with static strategies, overlooking the varying relative importance of these objectives across…

cs.IR2026

Hierarchical Retrieval at Scale: Bridging Transparency and Efficiency

Shubham Gupta, Zichao Li, Tianyi Chen +4

Information retrieval is a core component of many intelligent systems as it enables conditioning of outputs on new and large-scale datasets. While effective, the standard practice…

cs.CL2026

Query Suggestion for Retrieval-Augmented Generation via Dynamic In-Context Learning

Fabian Spaeh, Tianyi Chen, Chen-Hao Chiang +1

Retrieval-augmented generation with tool-calling agents (agentic RAG) has become increasingly powerful in understanding, processing, and responding to user queries. However, the sc…

cs.AI2025

ReCAP: Recursive Context-Aware Reasoning and Planning for Large Language Model Agents

Zhenyu Zhang, Tianyi Chen, Weiran Xu +2

Long-horizon tasks requiring multi-step reasoning and dynamic re-planning remain challenging for large language models (LLMs). Sequential prompting methods are prone to context dri…